3. To find the regular price per pound you would divide 15 by 11. Then, to find the regular price of the 16 pound turkey for the same price per pound, you would multiply the number from before by 16. This would give you about 21.82. 21.82-20=1.82, so you would save about $1.82.
4. To find the price per notebook, you would divide 10 by 5 which is 2. Then to find the sale price per notebook, you would multiply .8 by 2 since you save .2. The price per notebook would be $1.60